Casualties unknown

Aircraft Missing After Flight to Hawaiian Volcano Area (N9890L)

Pacific Ocean, PO, US

On November 6, 1992, a Grumman AA-1B (registration N9890L) operated by Kona Aviation was involved in an aviation accident near Pacific Ocean, PO. Investigators recorded the probable cause as: UNDETERMINED. THE AIRCRAFT WAS NOT LOCATED. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A pilot received a checkout before departing to the Hawaiian volcano area; the aircraft never returned, leading to a search that was terminated after 7 days with no trace found.

Incident Overview

A pilot completed a checkout in the aircraft prior to departing on the accident flight. The pilot informed officials that the intended route included flying to the Hawaiian volcano area before returning to the departure airport. The aircraft did not return as expected.

Reporting and Search Efforts

When the aircraft failed to return, the operator contacted the Federal Aviation Administration (FAA) and reported it as overdue. The FAA initiated a search of surrounding airports, but the aircraft was not located. Subsequently, a search and rescue procedure was initiated.

Search Termination

The search and rescue efforts continued for seven days before being terminated. Despite the extensive search, the aircraft was not found. The fate of the aircraft and its pilot remains unknown.

Frequently asked questions

What happened in the 6 Nov 1992 Grumman AA-1B accident near Pacific Ocean, PO?

A pilot received a checkout before departing to the Hawaiian volcano area; the aircraft never returned, leading to a search that was terminated after 7 days with no trace found.

What aircraft was involved and where did it happen?

The accident on 6 Nov 1992 involved a Grumman AA-1B, registration N9890L, operated by Kona Aviation, at Pacific Ocean, PO.

What was the probable cause of the accident?

UNDETERMINED. THE AIRCRAFT WAS NOT LOCATED.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X16052. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.